Car-coupling.



5N0. 663,|86. Patented Dec. 4, 1900.

c. 'E. PAuL stm. GAR COUPLING.

(Application filed June 27, 1900.)

(No Model.) 2 Sheets Sheat l.

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NITED STATES.

PATEN FFICE. I

CHRIS E. PAULSON, OF BOYD, MINNESOTA.

CAR-COUPLING.

SPECIFICATION forming part of Letters Patent No. 663,186, dated December 1 0- Application filed June 27, 1900. Serial No. 21,837. (No model.)

To all whom it may concern:

Be it known that I, CHRIS E. PAULSON, a citizen of the United States, residing at Boyd, in the county of Lao Qui Parle and State of Minnesota, have invented new and useful Improvementsin Car-Couplers, of which the following is a specification.

This invention relates to new and useful improvements in car-couplers; and its primary object is to provide a device of this character having a pin which will be automatically released by a link when inserted within a draw-head and which will engage said link and lock the same in position.

A further object is to provide means of peculiar construction for locking the pin in disengaged position and to provide a link of peculiar construction adapted to contact with the locking mechanism of the pin and release the same when brought into the draw-head.

To these ends the invention consists in providing a draw-head having a transverselyextending recess or passage therein, within the top of which is fitted a tubular casing which is arranged at a point above the passage formed in the lower portion ofthe drawhead. This casingis adapted to receive a pin having an annular groove therein near the upper end thereof, and this groove is adapted to be engaged bya dog which projects through the slot within the casing and is secured to a shaft which is mounted within suitable ears upon the casing. This dog is held normally projected into the casing-by means of a weighted arm which is secured to the shaft, and a second arm extends downward from said shaft, at the opposite end thereof, and is provided at its lower end with an extension which is hinged thereto and which is limited in its forward movement. with an arm of a lever which is pivoted to a side of the draw-head and is held normally in an upright position preferably by means of a weight. Within this draw-head is mounted a link having trunnions, the upperone of which projects through the draw-head and engages with the end of a rod which extends upward to the top of the car to which the coupler is attached and is provided with a suitable handle. This rod is mounted in brackets of any desired form and has suitable means whereby the same can be locked when This extension contacts turned to a desired position. This link is of suff cient length to extend beyond the outer end of the draw-head and is provided at its end with an opening for the reception of the coupling-pin of the draw-head into which it is inserted in coupling. A laterally-extending arm is provided adjacent to this opening and is adapted to engage'a lever which is pivoted to the side of the receiving draw-head, thereby releasing the coupling-pin, as will be hereinafter more fully described.

The invention also consists in the further novel construction and combination of parts hereinafter more fully described and claimed and illustrated in the accompanying drawings, showing the preferred form of my invention, and in which- Figure 1 is a perspective View of the device applied to a car. Fig. 2 is a central longitudinal section through the draw-head. Fig. 3 is a plan view thereof, showing in dotted lines the link swung at right angles to the drawhead. Fig. 4is aperspective view of the locking-dog and its attachments. Fig. 5 is a rear elevation of the pin-receiving casing. Fig. 6 is a perspective view of the locking device for the link-rod, and Fig. 7is a perspective View of a link detached.

Referring to said figures by no merals of reference,l is a draw-head of any desired material and having a transversely-extending horizontal passage or slot 2 therein. This draw-head may be secured to a beam 3 in any desired manner, as by providing a recess 4 therein, for the reception of the beam and passing bolts 5 therethrough. The upper wall of the passage 2 is provided with a threaded aperture 6 for the reception of the end of a cylinjects from said casing at each side of the slot. A passage 10 is formed'within the lower wall of the recess 2 and is in alinement with the interior of the casing 7. This passage is adapted to receive a pin 11, which is normally held suspended within the casing 7 by a dog 12, which engages an annular groove 13, formed within said pin near the upper end thereof. This dog is secured to a shaft 14, which is mounted in the ears 9, and an arm 15 extends forward therefrom at one end and is provided with a weight 16, as shown. The opposite end trunnions 23 and 24,the lower one,23,of which the draw head and is provided with a weight 21 at the lower end thereof.

Mounted within the passage 2 of the drawhead is a link 22 of peculiar construction.

This link is provided at its inner end with extends into the lower wall of said passage,

while the upper trunnion 2 1 projects through 1 the upper wall and is provided at itsend with 1 This eye is adapted to receive the I end of a rod 26, which extends upward to aan eye 25.

point above the top of the car to which the device is attached and is secured to said car by means of brackets, as 27.

is normally engaged by the forked end 30 of a lever 31. This lever is journaled in a bracket 32, secured to the top of a car and is provided at its inner end, preferably, with a This lever may be held normally in horizontal position in any desired treadle 33, as shown.

draw-head, the link' of the receiving draw-- head is turned into theposition shown in dotted lines in Fig. 3 by means of the rod 26 and the handle 28. In order to do this, it is necessary to first depress the treadle 33, so as to throw the fork 30 out of engagement with the squared portion 29. It is obvious that when this treadle is released after the link has been turned said fork will again engage the rod, and thereby hold the link in its new position. The arm 38 of the similar link of the opposite draw-head upon entering the receiving draw-head will contact with the lever 21 and force the upper end thereof forward. This will, as is obvious, bear upon the extension 19 and force arm 17 of shaft 14: forward, thereby raising the weight 16 and swinging dog 12 outward from engagement with the coupling-pin 11. Said pin will then drop into the aperture of the link and thence into passage 10, securely locking the link in position, as is obvious. It will be seen that the lever 21 This extension 5 registers with the groove 13.

A handle 28, preferably of the form shown in Fig. l, is se-' cured to the upper end of this rod, and therod is squared at a point adjacent to the top? of the car, as at 29, and this squared portion win he carried back :loythe arm as of the link until the upper end of said lever escapes the endof the extension 19. The dog 12 will then be thrown back into normal position by the weight 16.

When it is desired to uncouple the link, the rod 36 is drawn upward, bringing the upper end of the pin 11 into contact with the dog l2i-and forcing the same upward until it The dog will then swing inward into engagement with the groove and lock the pin in raised position. As the link is retracted from the draw-head the lever 20 will gradually swing backward to its normal or vertical position, the upper end thereof causing the extension 19 to swing backward upon its pivot until the upper end of said lever passes the extension and returns to its normal position, as shown in Fig. 1. When it is desired to project the link of this draw-head into a second draw-head of similar construction, said link is swung into the position shown in the drawings by releasing the rod '26 and receiving the same within the brackets 27.

It will be seen that the position of the link can be determined at all times by the position of the handle 28.

In the foregoing description I have shown the preferred form-of my invention; but I do not limit myself thereto, as I am aware that modifications may be made therein without departing from the spirit or sacrificing the advantages thereof, and I therefore reserve the right to make such changes and alterations as fairly fall within the scope of my invention. I

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination with a draw-head having a transversely-extending recess therein; of a cylindrical casing secured to the drawhead and communicating with said recess, a pin slidably mounted within the casing and having an annular groove therein, a dog pivoted to the casing and projecting through a slot therein and adapted to engage with the groove of the pin, and a weighted arm for holding said dog normally projected into the casing.

2. T he combination with a draw-head having a transversely-extending recess, of a casing secured thereto, a shaft journaled upon the casing, adog thereon adapted to project into-the casing, a weightedarm to the shaft, a second arm thereto, and a weighted lever pivoted to the draw-head and projecting into the path of said arm.

.3. The combination witha draw-head having a transversely-extending recess therein, of a casing secured thereto, a shaft mounted upon the casing, a dog secured to the shaft and adapted to extend into the casing, an arm extending from the shaft, a weight thereon, a second arm to the shaft, an extension pivoted to the arm, and a weighted lever pivoted to the side of the draw-head and in the path of said extension.

The combination with a draw-head having a transversely-extending recess therein, of a slotted casing detachably secured to the top of the draw-head, ears to the casing, a shaft mounted within the ears, a dog secured to the shaft and normally projecting from the slots, an arm to the shaft, aweight thereon, an arm at the opposite end of the shaft, an extension pivoted thereto, a weighted lever pivoted to the side of the draw-head and normally extending into the path of the extension, a pin having an annular groove adapted to be engaged by the dog, and a rod secured to said pin.

end thereto, and a squared portion to the rod adapted to be engaged by the fork.

In testimony whereof I aifix my signature in presence of two witnesses.

cums E; PAULSON.

Witnesses i 0. J. FLAA, J OHN J. FLAA. 

